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The repair of cracks can be achieved with the following techniques: 1) By epoxy-injection grouting 2) By routing and sealing 3) By flexible sealing 4) By stitching 5) By providing additional reinforcement 6) By drilling and plugging 7) By prestressing steel 8) By grouting 9) Dry packing 10) Overlays 11) Autogeneous ...

The presence of cracks shorten the corrosion initiation time of steel and also accelerates the propagation of corrosion during service life resulting in significant corrosion induced damage and loss of sectional and load carrying capacity of RC structures.

1. Routing and sealing. For dormant, non-structural cracks, routing, and sealing is the most common repair technique. While this technique is optimal for flat horizontal cracks, you can use it for vertical cracks with non-sag sealants or fillers.

How to Repair Concrete Cracks - YouTube YouTube Start of suggested clip End of suggested clip And then load the tube into a standard caulk gun slowly draw the gun down the crack. Forcing a beadMoreAnd then load the tube into a standard caulk gun slowly draw the gun down the crack. Forcing a bead of concrete or pair caulk deep into the crack. Conquer.

Non-moving and Moving are two types of cracks in buildings. Non-moving cracks are usually shallow and are the result of shrinkage. Moving crack are wider and are caused due to excessive stress in concrete.

They can lead to many non-structural and structural issues if not repaired properly, for instance, loss of aesthetic appearance of a concrete surface, long-term maintenance, corrosion of steel bars, etc.

The material mainly used for this is either cement or epoxy mixture. The epoxy has the ability to fill even small and thin cracks, say as fine as 0.1mm. These epoxy gain high strength and adhesion. The flexible sealant can be used for cracks that are appeared on the non-structural members.